Objective: To evaluate whether duration of LNG-IUD use varies by the contraceptive experience of the provider. Methods: 49 499 women who had a LNG-IUD prescription during 2010 and 2011 were identified from the NorPD database. The contraceptive experience of the providers was measured as number of prescriptions for any hormonal contraception, and number of LNG-IUD prescriptions in 2008/2009. Duration ...